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1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.geronimo.system.configuration.condition;
18
19 /**
20 * Provides a simple facility to evaluate condition expressions.
21 *
22 * @version $Rev: 476049 $ $Date: 2006-11-16 20:35:17 -0800 (Thu, 16 Nov 2006) $
23 */
24 public interface ConditionParser
25 {
26 /**
27 * Evaluate a condition expression.
28 *
29 * @param expression The condition expression to evaluate; must not be null
30 * @return True if the condition is satisfied
31 *
32 * @throws ConditionParserException Failed to evaluate condition expression
33 */
34 boolean evaluate(String expression) throws ConditionParserException;
35 }